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                <h1>NixOS</h1>
                <h2>The Purely Functional Linux Distribution</h2>

                <p class="lead">NixOS is a Linux distribution with a unique approach
                    to package and configuration management.  Built on top of the <a
                        href="nix">Nix package manager</a>, it is completely
                    declarative, makes upgrading systems reliable, and has <a
                        href="nixos/about.html">many other advantages</a>.</p>

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                    <h2>Declarative</h2>
                    <p>NixOS has a completely <strong>declarative</strong> approach to
                        configuration management: you write a specification of the desired
                        configuration of your system in NixOS’s modular language, and
                        NixOS takes care of making it happen.</p>
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                    <h2>Reliable</h2>
                    <p>NixOS has <strong>atomic upgrades and rollbacks</strong>.  It’s
                        always safe to try an upgrade or configuration change: if things
                        go wrong, you can always roll back to the previous
                        configuration.</p>
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                    <h2>DevOps-friendly</h2>
                    <p>Declarative specs and safe upgrades make NixOS a great system
                        for DevOps use.  <a
                            href="nixops"><strong>NixOps</strong></a>, the NixOS cloud
                        deployment tool, allows you to provision and manage networks of
                        NixOS machines in environments like Amazon EC2 and VirtualBox.</p>
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                        News
                    </h3><table class="news"><tr class="news-header"><td class="news-short">
                    NixOS 18.09 released
                </td><td class="news-date"> Oct 06 2018</td></tr><tr class="news-descr"><td colspan="2">
                    <a href="https://github.com/NixOS/nixos-artwork/blob/master/releases/18.09-jellyfish/jellyfish.png">
                        <img class="inline" src="logo/nixos-logo-18.09-jellyfish-lores.png" alt="18.09 Jellyfish logo" with="100" height="87"/>
                    </a>
                    NixOS 18.09 “Jellyfish” has been released, the tenth stable release branch.
                    See the <a href="/nixos/manual/release-notes.html#sec-release-18.09">release notes</a>
                    for details. You can get NixOS 18.09 ISOs and VirtualBox appliances
                    from the <a href="nixos/download.html">download page</a>.
                    For information on how to upgrade from older release branches
                    to 18.09, check out the
                    <a href="/nixos/manual/index.html#sec-upgrading">manual section on upgrading</a>.
                </td></tr><tr class="news-header"><td class="news-short">
                    Fastly supports NixOS
                </td><td class="news-date"> Oct 04 2018</td></tr><tr class="news-descr"><td colspan="2">
                    We are happy to announce that we have moved our binary cache to <a href="https://fastly.com">Fastly</a>. Fastly
                    is a big supporter of open source projects and now NixOS is one of them! Fastly provides us with CDN capability,
                    which previously was running on AWS CloudFront. Big thanks go to Fastly, in particular Tom Denniston and Elaine
                    Greenberg, our friends at <a href="https://www.infor.com">Infor</a> and <a href="https://packet.net">Packet.net</a>
                    and Graham Christensen for making this possible.
                </td></tr><tr class="news-header"><td class="news-short">
                    Nix 2.1 released
                </td><td class="news-date"> Sep 02 2018</td></tr><tr class="news-descr"><td colspan="2">
                    <a href="/nix/download.html">Nix 2.1</a>
                    has been released.  See the <a href="/nix/manual#ssec-relnotes-2.1">release
                    notes</a> for a list of changes and new features.
                </td></tr><tr class="news-header"><td class="news-short">
                    NixOS Discourse forum
                </td><td class="news-date"> Aug 14 2018</td></tr><tr class="news-descr"><td colspan="2">
                    The <tt>nix-devel</tt> mailing list is now replaced by our discourse forum instance which is also usable by email:
                    <a href="https://discourse.nixos.org"><tt>discourse.nixos.org</tt></a>.
                </td></tr><tr class="news-header"><td class="news-short">
                    NixCon 2018
                </td><td class="news-date"> May 21 2018</td></tr><tr class="news-descr"><td colspan="2">
                    We're happy to announce that <strong>NixCon 2018</strong>, the
                    third Nix Conference, will take place <strong>October 25-27 2018 in London</strong>
                    For more information, see the
                    <a href="http://nixcon2018.org/">NixCon 2018 website</a>.
                    And please consider
                    <a href="https://nixcon2018.org/#call-for-paper">submitting a talk</a>!
                </td></tr><tr class="news-header"><td class="news-short">
                    NixOS 18.03 released
                </td><td class="news-date"> Apr 04 2018</td></tr><tr class="news-descr"><td colspan="2">
                    <a href="https://github.com/NixOS/nixos-artwork/blob/master/releases/18.03-impala/impala.png">
                        <img class="inline" src="logo/nixos-logo-18.03-impala-lores.png" alt="18.03 Impala logo"/>
                    </a>
                    NixOS 18.03 “Impala” has been released, the ninth stable release branch.
                    See the <a href="/nixos/manual/release-notes.html#sec-release-18.03">release notes</a>
                    for details. You can get NixOS 18.03 ISOs and VirtualBox appliances
                    from the <a href="nixos/download.html">download page</a>.
                    For information on how to upgrade from older release branches
                    to 18.03, check out the
                    <a href="/nixos/manual/index.html#sec-upgrading">manual section on upgrading</a>.
                </td></tr><tr class="news-header"><td class="news-short">
                    Nix 2.0 released
                </td><td class="news-date"> Feb 22 2018</td></tr><tr class="news-descr"><td colspan="2">
                    <a href="/nix/download.html">Nix 2.0</a>
                    has been released.  See the <a href="/nix/manual#ssec-relnotes-2.0">release
                    notes</a> for a list of changes and new features.
                </td></tr><tr class="news-header"><td class="news-short">
                    NixOS 17.09 released
                </td><td class="news-date"> Oct 02 2017</td></tr><tr class="news-descr"><td colspan="2">
                    NixOS 17.09 “Hummingbird” has been released, the eigth stable release
                    branch. See the <a href="/nixos/manual/release-notes.html#sec-release-17.09">release notes</a>
                    for details. You can get NixOS 17.09 ISOs and VirtualBox
                    appliances from the <a href="nixos/download.html">download
                    page</a>. For information on how to upgrade from older release
                    branches to 17.09, check out the <a href="/nixos/manual/index.html#sec-upgrading">manual section on
                    upgrading</a>.
                </td></tr><tr class="news-header"><td class="news-short">
                    Nix-dev mailing list moved
                </td><td class="news-date"> Jul 12 2017</td></tr><tr class="news-descr"><td colspan="2">
                    The <tt>nix-dev</tt> mailing list has moved to
                    <a href="https://groups.google.com/forum/#!forum/nix-devel"><tt>nix-devel</tt></a>
                    on Google Groups.
                </td></tr><tr class="news-header"><td class="news-short">
                    NixCon 2017
                </td><td class="news-date"> Jun 18 2017</td></tr><tr class="news-descr"><td colspan="2">
                    We're happy to announce that <strong>NixCon 2017</strong>, the
                    second Nix Conference, will take place <strong>October 28–31 2017 in Munich</strong>
                    For more information, see the
                    <a href="http://nixcon2017.org/">NixCon 2017 website</a>.
                    And please consider
                    <a href="https://schedule.nixcon2017.org/en/nixcon2017/cfp/">submitting a talk</a>!
                </td></tr><tr class="news-header"><td class="news-short">
                    NixOS 17.03 released
                </td><td class="news-date"> Mar 31 2017</td></tr><tr class="news-descr"><td colspan="2">
                    NixOS 17.03 “Gorilla” has been released, the seventh stable release
                    branch. See the <a href="/nixos/manual/release-notes.html#sec-release-17.03">release notes</a>
                    for details. You can get NixOS 17.03 ISOs and VirtualBox
                    appliances from the <a href="nixos/download.html">download
                    page</a>. For information on how to upgrade from older release
                    branches to 17.03, check out the <a href="/nixos/manual/index.html#sec-upgrading">manual section on
                    upgrading</a>.
                </td></tr><tr class="news-header"><td class="news-short">
                    NixOS 16.09 released
                </td><td class="news-date"> Oct 03 2016</td></tr><tr class="news-descr"><td colspan="2">
                    NixOS 16.09 “Flounder” has been released, the sixth stable release
                    branch. See the <a href="/nixos/manual/release-notes.html#sec-release-16.09">release notes</a>
                    for details. You can get NixOS 16.09 ISOs and VirtualBox
                    appliances from the <a href="nixos/download.html">download
                    page</a>. For information on how to upgrade from older release
                    branches to 16.09, check out the <a href="/nixos/manual/index.html#sec-upgrading">manual section on
                    upgrading</a>.
                </td></tr></table>
                    <p><a href="news.html" class="btn btn-mini">More »</a></p>
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                    <h3>
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                        </a>
                        Blog Posts
                    </h3>
                    <ul class="nixos-blogs">        <li>
                        <div class="nixos-blog">            <div class="nixos-blog-title">
                            <a href="http://ocharles.org.uk/blog/posts/2018-12-25-fast-downward.html">Solving Planning Problems with Fast Downward and Haskell</a>
                        </div>
                            <div class="nixos-blog-author-info">
                                <span class="nixos-blog-author">Ollie Charles</span>
                                <span class="muted"> wrote on Tue, 25 Dec 2018 00:00:00 +0000</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-blog">            <div class="nixos-blog-title">
                            <a href="https://matthewbauer.us/blog/build-systems.html">Subjective ranking of build systems</a>
                        </div>
                            <div class="nixos-blog-author-info">
                                <span class="nixos-blog-author">Matthew Bauer</span>
                                <span class="muted"> wrote on Mon, 26 Nov 2018 00:00:00 +0000</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-blog">            <div class="nixos-blog-title">
                            <a href="https://nixos.mayflower.consulting/blog/2018/11/08/the-nixops-default-module/">The nixops defaults module</a>
                        </div>
                            <div class="nixos-blog-author-info">
                                <span class="nixos-blog-author">Mayflower</span>
                                <span class="muted"> wrote on Thu, 08 Nov 2018 14:00:00 +0000</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-blog">            <div class="nixos-blog-title">
                            <a href="http://sandervanderburg.blogspot.com/2018/10/auto-patching-prebuilt-binary-software.html">Auto patching prebuilt binary software packages for deployment with the Nix package manager</a>
                        </div>
                            <div class="nixos-blog-author-info">
                                <span class="nixos-blog-author">Sander van der Burg</span>
                                <span class="muted"> wrote on Tue, 30 Oct 2018 22:57:00 +0000</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-blog">            <div class="nixos-blog-title">
                            <a href="https://nixos.mayflower.consulting/blog/2018/10/26/nixops-machine-configs/">The NixOps resources.machines option</a>
                        </div>
                            <div class="nixos-blog-author-info">
                                <span class="nixos-blog-author">Mayflower</span>
                                <span class="muted"> wrote on Fri, 26 Oct 2018 11:00:00 +0000</span>
                            </div>
                        </div>
                    </li>      <p><a href="https://planet.nixos.org/" class="btn btn-mini">More »</a></p>
                    </ul>

                    <h3>Commits</h3>    <p class="muted">520 commits in the last week, 40010 in the last year</p>
                    <ul class="nixos-commits">        <li>
                        <div class="nixos-commit">
                            <img class="nixos-commit-avatar" src="https://avatars2.githubusercontent.com/u/6806011?v=4" alt="Avatar"/>
                            <div class="nixos-commit-summary">                <a href="https://github.com/NixOS/nixpkgs/commit/98686d3b7f9bf156331b88c2a543da224a63e0e2">python3.pkgs.aiohttp: 3.5.2 -&gt; 3.5.3</a>            </div>
                            <div class="nixos-commit-author-info">
                                <span class="nixos-commit-author">                  <a href="https://github.com/dotlambda">Robert Schütz</a>              </span>
                                <span class="muted">authored 2019-01-11T22:50:59Z</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-commit">
                            <img class="nixos-commit-avatar" src="https://avatars2.githubusercontent.com/u/6806011?v=4" alt="Avatar"/>
                            <div class="nixos-commit-summary">                <a href="https://github.com/NixOS/nixpkgs/commit/feae4d6cdbfd9bc93328867539d9b7cca2039124">home-assistant: 0.85.0 -&gt; 0.85.1</a>            </div>
                            <div class="nixos-commit-author-info">
                                <span class="nixos-commit-author">                  <a href="https://github.com/dotlambda">Robert Schütz</a>              </span>
                                <span class="muted">authored 2019-01-11T22:40:58Z</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-commit">
                            <img class="nixos-commit-avatar" src="https://avatars1.githubusercontent.com/u/245573?v=4" alt="Avatar"/>
                            <div class="nixos-commit-summary">                <a href="https://github.com/NixOS/nixpkgs/commit/73625f25223b47af03a372acaa2b8044b118ad3f">root5: mark as broken on Linux</a>            </div>
                            <div class="nixos-commit-author-info">
                                <span class="nixos-commit-author">                  <a href="https://github.com/veprbl">Dmitry Kalinkin</a>              </span>
                                <span class="muted">authored 2018-10-18T19:26:53Z</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-commit">
                            <img class="nixos-commit-avatar" src="https://avatars1.githubusercontent.com/u/245573?v=4" alt="Avatar"/>
                            <div class="nixos-commit-summary">                <a href="https://github.com/NixOS/nixpkgs/commit/0c9335fb1ca2a0a78d52ba19e057dfb1103c6c43">root, root5: fix build on darwin</a>            </div>
                            <div class="nixos-commit-author-info">
                                <span class="nixos-commit-author">                  <a href="https://github.com/veprbl">Dmitry Kalinkin</a>              </span>
                                <span class="muted">authored 2019-01-12T01:06:37Z</span>
                            </div>
                        </div>
                    </li>        <li>
                        <div class="nixos-commit">
                            <img class="nixos-commit-avatar" src="https://avatars0.githubusercontent.com/u/3416?v=4" alt="Avatar"/>
                            <div class="nixos-commit-summary">                <a href="https://github.com/NixOS/nixpkgs/commit/61e57a827b84251bbe4713ea2714a99f9e6f7314">icestorm: enableParallelBuilding = true</a>            </div>
                            <div class="nixos-commit-author-info">
                                <span class="nixos-commit-author">                  <a href="https://github.com/thoughtpolice">Austin Seipp</a>              </span>
                                <span class="muted">authored 2019-01-10T22:08:01Z</span>
                            </div>
                        </div>
                    </li>    </ul>
                    <p><a href="https://github.com/NixOS/nixpkgs/commits/master" class="btn btn-mini">More »</a></p>

                    <h3>Twitter</h3>
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